A alone can fill up a tank in 12 minutes B alone can empty half of tank in 4 minutes If both th...........

Quantitative Aptitude (CDS) Pipes&cistern

A alone can fill up a tank in 12 minutes. B alone can empty half of tank in 4 minutes. If both the pipe is opened simultaneously. In how much time the tank will get completely filled or empty.?

filled in 16minutes

empty in 8 minutes

filled in 26 minutes

empty in 24 minutes

छोटे Courses बड़े Results

Master Pipes&cistern

Prepare through Micro-courses

Try Now

Explanation:

B takes 4 minutes to empty half. so B takes 8 minutes to completely empty the tank.
A - 12minutes, B - 8 minutes. So, B is fast
x/12 - x/ 8 = -1
-x = -24
x = 24minutes for empty